Finding the Fourth Proportional to 1,930.30, 2,664.25 and 1,091.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930.30 : 2,664.25 = 1,091.49 : x
2. Step 2: Convert to fraction form
   1,930.30/2,664.25 = 1,091.49/x
3. Step 3: Cross multiply
   1,930.30x = 2,664.25 × 1,091.49
4. Step 4: Simplify right side
   1,930.30x = 2,908,002.23
5. Step 5: Solve for x
   x = 2,908,002.23/1,930.30
6. Step 6: Final answer
   x = 1,506.50